US3532546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonaqueous liquid ammonia current producing cells using insoluble acid and neutral electrolyte
Assignee: United States Department of the Navy
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Filing: 1969-07-01
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Granted: 1970-10-06
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Expires: 1989-07-01
Abstract
No abstract record available.
Inventors
- 👤 William S Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:07
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/60; H01M6/00; H01M6/14; H01M6/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2992289A
Cited
US2996562A
Cited
US3185590A
Cited
US3239384A
Cited
US3235408A
Cited
US3423242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |